Finding the Fourth Proportional to 223,187.36, 334,783.76 and 65,418.99
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Solution
The fourth proportional to 223,187.36, 334,783.76 and 65,418.99 is: 98,129.29
Step by Step Solution
- Step 1: Write the proportion equation
223,187.36 : 334,783.76 = 65,418.99 : x - Step 2: Convert to fraction form
223,187.36/334,783.76 = 65,418.99/x - Step 3: Cross multiply
223,187.36x = 334,783.76 × 65,418.99 - Step 4: Simplify right side
223,187.36x = 21,901,215,611.15 - Step 5: Solve for x
x = 21,901,215,611.15/223,187.36 - Step 6: Final answer
x = 98,129.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.